Mesoporous palladium - the surface electrochemistry of palladium in aqueous sodium hydroxide and the cathodic reduction of nitrite

被引：58

作者：

Denuault, G ^{[1
]}

Milhano, C ^{[1
]}

Pletcher, D ^{[1
]}

机构：

[1] Univ Southampton, Dept Chem, Southampton SO17, Hants, England

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2005年 / 7卷 / 20期

关键词：

D O I：

10.1039/b508835f

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The voltammetry of nanostructured palladium layers electrodeposited from a hexagonal liquid crystal phase onto platinum microdiscs show well defined peaks for the adsorption/desorption of hydrogen and surface oxidation/reduction in 2 M NaOH. These peaks are more clearly resolved than at smooth palladium and reveal the complications associated with hydrogen adsorption/desorption on palladium in aqueous alkaline solutions. The reduction of nitrite at the nanostructured palladium is also reported and it is shown that it occurs via a mechanism involving a chemical reaction between adsorbed hydrogen and adsorbed nitrite ion.

引用

页码：3545 / 3551

页数：7

共 31 条

[1]

Angerstein-Kozlowska H., 1984, COMPR TREAT, P15

[2] Mesoporous platinum films from lyotropic liquid crystalline phases [J].

Attard, GS ;

Bartlett, PN ;

Coleman, NRB ;

Elliott, JM ;

Owen, JR ;

Wang, JH .

SCIENCE, 1997, 278 (5339) :838-840

[3]

Bartlett P. N., 2004, INTERFACE, V13, P28

[4] The preparation and characterisation of H1-e palladium films with a regular hexagonal nanostructure formed by electrochemical deposition from lyotropic liquid crystalline phases [J].

Bartlett, PN ;

Gollas, B ;

Guerin, S ;

Marwan, J .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2002, 4 (15) :3835-3842

[5] PHENOMENOLOGICAL ASPECTS RELATED TO THE ELECTROCHEMICAL-BEHAVIOR OF SMOOTH PALLADIUM ELECTRODES IN ALKALINE-SOLUTIONS [J].

BOLZAN, AE .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1995, 380 (1-2) :127-138

[6] EFFECT OF CHEMISORBED CARBON-MONOXIDE ON THE RATE OF HYDROGEN DISSOLUTION IN PALLADIUM ELECTRODES AT POTENTIALS OF THE ALPHA-PHASE [J].

BREITER, MW .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1980, 109 (1-3) :253-260

[7] DISSOLUTION AND ADSORPTION OF HYDROGEN AT SMOOTH PD WIRES AT POTENTIALS OF ALPHA PHASE - INFLUENCE OF ELECTROLYTE [J].

BREITER, MW .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1978, 90 (03) :425-430

[8] AN EXAMINATION OF THE ELECTROCHEMICAL-BEHAVIOR OF PALLADIUM IN BASE [J].

BURKE, LD ;

CASEY, JK .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1993, 140 (05) :1292-1298

[9] ELECTROCHEMICAL OXIDE FILM FORMATION AT NOBLE-METALS AS A SURFACE-CHEMICAL PROCESS [J].

CONWAY, BE .

PROGRESS IN SURFACE SCIENCE, 1995, 49 (04) :331-452

[10] The study of hydrogen sorption in palladium limited volume electrodes (Pd-LVE) - Part II. Basic solutions [J].

Czerwinski, A ;

Kiersztyn, I ;

Grden, M .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 2000, 492 (02) :128-136

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